Scilab Function
Last update : 12/1/2004

linf - infinity norm

### Calling Sequence

  `linf(g [,eps],[tol])`

### Parameters

- `g`: is a `syslin` linear system.
- `eps`: is error tolerance on n.
- `tol`: threshold for imaginary axis poles.

### Description

returns the L_infinity norm of `g`.

        n=sup [sigmax(g(jw)]
           w

(sigmax largest singular value).

### See Also

`h_norm`, `linfn`,